/* 全局 */
/* html {
  background-color: #d1d1e9;
} */

/* 去除 a 标签样式 */
#systemName {
  text-decoration: none;
  font-size: 39px;
  color: black;
}
#systemName:link {
  text-decoration: none;
}
#systemName:visited {
  text-decoration: none;
}
#systemName:hover {
  text-decoration: none;
}
#systemName:active {
  text-decoration: none;
}
#systemName:focus {
  text-decoration: none;
}

/* 上导航栏 */
#navigator {
  display: grid;
  grid-template-columns: 4fr 1fr;
  background-color: #3A896D;
  /*background-image: linear-gradient(to right, #a8bb7d, #7cbb6f);*/
  height: 60px;
  width: 100%;
  /*border-radius: 0 0 20px 20px;*/
  box-shadow: 0 0 10px;
}
.nav-btn {
  margin-top: 10px
}

/* 侧边栏 */
#nav-side {
  background-color: #3A896D;
  /*background-image: linear-gradient(to right, #a8bb7d, #7cbb6f);*/
  /*border-radius: 0 20px 20px 0;*/
  box-shadow: 0 0 10px;


}